Like the lead character of “Project Hail Mary,” some scientists are proposing ways that life might exist beyond a star’s “habitable zone,” often considered the gold standard of potential livability An ...

Humans have wondered for centuries whether we are alone in the universe — and a new study suggests that if alien ...

This artistic illustration shows the TRAPPIST-1 red dwarf star system, home to seven Earth-sized exoplanets, several of which ...

Alien planets are far away but extreme lasers on Earth are giving scientists a way to investigate what they're like.

Is intelligent alien life really out there? With powerful telescopes identifying more potentially habitable planets each year, the possibility continues to grow. But what would happen if we actually ...

Life on Earth may exist thanks to an incredible stroke of luck — a chemical sweet spot that most planets miss during their formation but ours managed to hit. A new study shows that Earth formed under ...

A new method to recognise the chemical properties of living things could help us detect alien life even if it functions differently from life on Earth. When searching for alien life, scientists ...

The hunt for life beyond Earth has taken an unexpected twist as President Barack Obama claims that aliens are real, but that he doesn't know where they are. The former president said in an interview ...

Sci-fi audiences are a prickly bunch – when they're delivered a new take on a familiar title, they can get annoyed if that fresh take veers too far off base from the source material, yet they also ...